ZN23-40.5 3 Phase Indoor 33kv 35kv 40.5kv Air Circuit Breaker

Basic Information
Place of Origin: XIAN, China
Brand Name: XG
Certification: ISO CCC
Model Number: ZN23
Minimum Order Quantity: 1set
Packaging Details: WOODEN CASE
Delivery Time: 7-15 DAYS
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
Function: Control And Protection Installation Location: Power Plants
Warranty: 12 Months OEM: Yes
Package: Exporting Standard Package MOQ: 1set
Operation Type: Electric Or Manual Life Span: More Than 15 YEARS
High Light:

ZN23 Air Circuit Breaker


33kv Air Circuit Breaker


40.5kv Air Circuit Breaker

Product Description

1. ZN23-40.5 series 3 phase indoor 33kv 35kv 40.5kv air circuit breaker draw out type
ZN23-40.5 vacuum circuit breaker is rated voltage 40.5kA, three-phase AC 50Hz indoor high-voltage electrical equipment.
Apply to industrial and mining enterprises, substation and transmission and distribution systems for control and protection switching; particularly suitable for metallurgy, electric arc steel-making industries, etc. frequent operation required, as a control and protection equipment.
This product meets the GB 1984-89 “AC High Voltage Circuit Breaker” standard.

2. Parameter of air circuit breaker draw out type

NOItemUnitsTechnical parameters
1Rated voltagekV40.5
2Thunder impulse withstand voltage(peak value)kV185
3lmin industrial frequency withstand voltagekV95
4Rated frequencyHz50
5Rated currentA1250,1600,2000
6Rated short-circuit break currentkA2531.5
7Rated peak value withstand currentkA2531.5
8Rated peak value withstand currentKA6380
9Rated short-circuit duration times4
10Rated short circuit breaking timems 
11Rated short circuit closing currentkA80
12Rated operation order 0-0.3s-C0-180s-C0
13Time of closing brakems50~85
14Time of breaking brakems40~85
15Rated short-circuit current break and close timesTimes20
16Mechanical life-spanTimes10000
17Rated dropout current of condenser bankA630
18Rated power of energy-storage electric machineW275
19Rated volt of energy-storage motorV25 ± 2
20Storage timeS≤15
21Closing and opening solenoid rated voltageV≈220,110
22Loss of pressure tripping device rated voltageV≈220,110
23Over current tripping device rated currentA5
24Auxiliary switch rated voltage currentADC10

3. Working application
Amplitude: earthquake intensity does not exceed 8 °,
Air relative humidity on average less than 95%, on average less than 90%
An ambient air temperature: to +40 °C, the lower limit of -150°C,
Altitude:. ≤ 1000m (For higher altitudes, the rated insulation board level relative increase)
No risk of fire, explosion, serious pollution, chemical corrosion and severe vibration.
4. Technical drawings
5. Factory
ZN23-40.5 3 Phase Indoor 33kv 35kv 40.5kv Air Circuit Breaker 1
6. Delivery
ZN23-40.5 3 Phase Indoor 33kv 35kv 40.5kv Air Circuit Breaker 2
7. FAQ
1. Send the technical data, better for all useful information; we will make a good recommendation.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.
3. Usually shipped by sea, small order or urgent order we can send you by air.
4. All our activities are accredited to ISO 14001:2015 and IEC standard.

Contact Details

Phone Number : +8613319220197

WhatsApp : +008613319220197